To make a Standard User as an Administrator on Windows 11/10, you can use Settings, Control Panel, Command Prompt, etc.PowerShell, etc.

So, to create a local administrator account via Command Prompt on Windows 11/10 when you can’t sign in, do the following: Boot your computer from a Windows installation media.

In the command, make sure to change the ACCOUNT-NAME for the actual name of the account that you want to change. Quick note: Users with administrator accounts are part of both, the "Administrators ...

You can also use the command prompt to modify the administrator name in Windows 11. If you'd like to take this approach, you can go through the steps below to make the changes.